@article{Horcik200475, title = "Residuated fuzzy logics with additional connectives and their validation sets", journal = "Fuzzy Sets and Systems", volume = "143", number = "1", pages = "75--87", year = "2004", note = "Advances in Fuzzy Logic", issn = "0165-0114", doi = "10.1016/j.fss.2003.06.005", url = "http://www.sciencedirect.com/science/article/pii/S0165011403004937", author = "Rostislav Hor{\v{c}}{\'{\i}}k", keywords = "Fuzzy logic", keywords = "Łukasiewicz logic", keywords = "Gödel logic", keywords = "Product logic", keywords = "Product logic with involutive negation", keywords = "Validation set" }